452.63% is the change from 76 to 420
Calculation steps:
[( 420 - 76 ) ÷ 76] x 100 = 452.63%
Formula
Percentage change = [(420 - 76) / 76] x 100
Subtract the new number by the original number
420 - 76 = 344
344 ÷ 76 = 4.526315789473684
4.526315789473684 x 100 = 452.63%